trickbot | a612370e45b7c1121a2ab805c05e67722070d4a9d553d4f1dfb1ddb6f1073567

General

Target

1_4_3.xls
Size

270KB
MD5

890522e2846bc9ae0ee808db164ccdb5
SHA1

36b93a892a6f57abec6c40268ff9101ac45a0ca8
SHA256

a612370e45b7c1121a2ab805c05e67722070d4a9d553d4f1dfb1ddb6f1073567
SHA512

0d1241bf55d42513d11fdbff65a427c47a85db18185dcee3bbb9a1b9abf6c9cb4763d92812550cd59817e62744fd0ec955067a4a15925f0293ad36176d6c385d

Score

10^/10

trickbot yas31 banker dave trojan

Malware Config

Extracted

Family

trickbot

Version

1000508

Botnet

yas31

C2

164.132.255.19:443

188.119.113.114:443

176.119.159.147:443

51.254.164.243:443

178.156.202.251:443

185.234.72.24:443

194.5.250.52:443

217.12.209.244:443

185.99.2.123:443

185.198.57.75:443

93.189.42.81:443

148.251.185.186:443

79.137.101.2:443

51.89.115.121:443

91.200.100.84:443

194.5.250.69:443

185.14.30.45:443

185.99.2.142:443

107.175.133.162:443

5.196.247.14:443

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

Signatures

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot

Dave packer 1 IoCs

Detects executable packed with a packer named 'Dave' from the community, due to a string at the end of it.

dave

Processes:

resource	yara_rule
behavioral1/memory/808-6-0x0000000000340000-0x0000000000372000-memory.dmp	dave

Executes dropped EXE 1 IoCs

Processes:

zvkFulz.exe

pid process

808 zvkFulz.exe
Loads dropped DLL 1 IoCs

Processes:

EXCEL.EXE

pid process

596 EXCEL.EXE
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

pid	process
808	zvkFulz.exe

pid	process
596	EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

596 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

zvkFulz.exe

pid process

808 zvkFulz.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wermgr.exeEXCEL.EXE

description pid process

Token: SeDebugPrivilege 1828 wermgr.exe
Token: SeDebugPrivilege 1828 wermgr.exe
Token: SeShutdownPrivilege 596 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

596 EXCEL.EXE
596 EXCEL.EXE
596 EXCEL.EXE

pid	process
596	EXCEL.EXE

pid	process
808	zvkFulz.exe

description	pid	process
Token: SeDebugPrivilege	1828	wermgr.exe
Token: SeDebugPrivilege	1828	wermgr.exe
Token: SeShutdownPrivilege	596	EXCEL.EXE

pid	process
596	EXCEL.EXE
596	EXCEL.EXE
596	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEzvkFulz.exe

description	pid	process	target process
PID 596 wrote to memory of 808	596	EXCEL.EXE	zvkFulz.exe
PID 596 wrote to memory of 808	596	EXCEL.EXE	zvkFulz.exe
PID 596 wrote to memory of 808	596	EXCEL.EXE	zvkFulz.exe
PID 596 wrote to memory of 808	596	EXCEL.EXE	zvkFulz.exe
PID 808 wrote to memory of 1828	808	zvkFulz.exe	wermgr.exe
PID 808 wrote to memory of 1828	808	zvkFulz.exe	wermgr.exe
PID 808 wrote to memory of 1828	808	zvkFulz.exe	wermgr.exe
PID 808 wrote to memory of 1828	808	zvkFulz.exe	wermgr.exe
PID 808 wrote to memory of 1828	808	zvkFulz.exe	wermgr.exe
PID 808 wrote to memory of 1828	808	zvkFulz.exe	wermgr.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\1_4_3.xls
1⤵
- Loads dropped DLL
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:596

C:\ProgramData\zvkFulz.exe
"C:\ProgramData\zvkFulz.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1828

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\zvkFulz.exe
MD5
cd3e6b9583fa81d40e9c1125a46907fd

SHA1
96510db0fbeba68298e826b73cd346820a2f1f4f

SHA256
5339c69e454274e349d0255b4351e8af03d87410184b65703c35045972119268

SHA512
f3c85708716a09bfd661e8b0ff6adeda612aab0243cee00c052e31bc9b29297e6eab178aa8e0ce5322568625069dd0cbd7e2a53e0d3f35a9ab94c5ff355d9550

Download Submit
C:\ProgramData\zvkFulz.exe
MD5
cd3e6b9583fa81d40e9c1125a46907fd

SHA1
96510db0fbeba68298e826b73cd346820a2f1f4f

SHA256
5339c69e454274e349d0255b4351e8af03d87410184b65703c35045972119268

SHA512
f3c85708716a09bfd661e8b0ff6adeda612aab0243cee00c052e31bc9b29297e6eab178aa8e0ce5322568625069dd0cbd7e2a53e0d3f35a9ab94c5ff355d9550

Download Submit
\ProgramData\zvkFulz.exe
MD5
cd3e6b9583fa81d40e9c1125a46907fd

SHA1
96510db0fbeba68298e826b73cd346820a2f1f4f

SHA256
5339c69e454274e349d0255b4351e8af03d87410184b65703c35045972119268

SHA512
f3c85708716a09bfd661e8b0ff6adeda612aab0243cee00c052e31bc9b29297e6eab178aa8e0ce5322568625069dd0cbd7e2a53e0d3f35a9ab94c5ff355d9550

Download Submit
memory/596-8-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/808-4-0x0000000000000000-mapping.dmp

Download
memory/808-7-0x00000000003B0000-0x00000000003DF000-memory.dmp

Filesize
188KB

Download
memory/808-6-0x0000000000340000-0x0000000000372000-memory.dmp

Filesize
200KB

Download
memory/1356-2-0x000007FEF6010000-0x000007FEF628A000-memory.dmp

Filesize
2.5MB

Download
memory/1828-9-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads